The Falkirk Wheel

The Falkirk Wheel

A long exposure photograph of the Falkirk Wheel lifting a canal barge. The wheel, the only rotating boat lift of its kind in the world,connects the Forth and Clyde Canal with the Union Canal.

The Wheel has an overall diameter of 35m, with two opposing arms extending from the central axle. Each arm lifts a gondola filled with water, and a barge. The combined weight of the two gondolas, the water and the barges is 500 tonnes. Miraculously, each half turn of the wheel, lifting a water filled gondola plus a barge requires only 22.5 kilowatts, or the same power as it takes to boil 8 kettles. This is down to clever application of the archimedes principle.

The original prototype of the Wheel was built using Lego belonging to the 8 year old daughter of the architect, Tony Kettle.

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